AIR BRAKES CDL PRACTICE TEST - GEORGIA
16.
To test the service brake:
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gently try to pull forward with the trailer parking brake on, then release the brake.
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push the brake pedal firmly while slowly moving backward.
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push the brake pedal firmly while going about 5 mph.
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shift your transmission to a low gear, pump the brake pedal three times, then hold it down for five seconds.
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17.
The ABS malfunction lamp on the instrument panel is:
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Orange
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Blue
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Yellow
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Red
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18.
The use of brakes on a steep downgrade is:
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dangerous, and should be avoided at all costs.
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much more effective than the engine braking effect.
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a supplement to the braking effect of the engine.
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the main braking factor.
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19.
ABS helps you:
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increase your normal braking capability.
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avoid wheel lock up and maintain control of your vehicle when you brake.
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stop much faster.
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steer gently and smoothly while you are braking.
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20.
A low air pressure warning signal:
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is required on vehicles with air brakes.
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is required on all vehicles without air brakes.
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is optional on vehicles with air brakes.
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None of the above.
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